Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001403528-20-000013-index-headers.html | 2020-05-26 18:06:52 | |
| 0001403528-20-000013-index.html | 2020-05-26 18:06:52 | |
| 0001403528-20-000013.txt | 2020-05-26 18:06:52 | |
 0001403528-20-000013-xbrl.zip | 94701 | 2020-05-26 18:06:52 |
| exhibit41-2020npa.htm | 701657 | 2020-05-26 18:06:52 |
| exhibit42-2020npa.htm | 12322 | 2020-05-26 18:06:52 |
| exhibit43-2020npa.htm | 12350 | 2020-05-26 18:06:52 |
| exhibit9912020npapress.htm | 6206 | 2020-05-26 18:06:52 |
| FilingSummary.xml | 1913 | 2020-05-26 18:06:52 |
| Financial_Report.xlsx | 5844 | 2020-05-26 18:06:52 |
| MetaLinks.json | 20628 | 2020-05-26 18:06:52 |
| oak-20200520.htm | 63857 | 2020-05-26 18:06:52 |
| oak-20200520.xsd | 2570 | 2020-05-26 18:06:52 |
| oak-20200520_cal.xml | 719 | 2020-05-26 18:06:52 |
| oak-20200520_def.xml | 6420 | 2020-05-26 18:06:52 |
| oak-20200520_htm.xml | 13392 | 2020-05-26 18:06:52 |
| oak-20200520_lab.xml | 30411 | 2020-05-26 18:06:52 |
| oak-20200520_pre.xml | 16069 | 2020-05-26 18:06:52 |
| R1.htm | 40555 | 2020-05-26 18:06:52 |
| report.css | 2767 | 2020-05-26 18:06:52 |
| Show.js | 1085 | 2020-05-26 18:06:52 |